A set of 4 skeins of each 40 meter skeins. 4 Variegated Colors. For many kinds of Sashiko projects including General Sashiko, Hitomezashi, Kugurizashi, Koginzashi, and more. Cotton 100%, made in Japan by a long-established Japanese thread manufacture. Thin Thread: It may be too thin for the regular Sashiko projects. However, it is very good choice for Hana-Fukin Hitomezashi & Kugurizashi projects. Thick Thread: Good thickness for many kinds of Sashiko projects.